irrupt

(v) enter uninvited
- They intruded on our dinner party
- She irrupted into our sitting room
intrude,
(v) erupt or intensify suddenly
- Unrest erupted in the country
- Tempers flared at the meeting
- The crowd irrupted into a burst of patriotism
erupt, flare up, break open, burst out, flare,
(v) increase rapidly and in an uncontrolled manner
- The population of India is exploding
- The island's rodent population irrupted
explode,

intrude erupt flare up break open burst out flare explode

irruption irruptive